Dalby, L., Söderquist, P., Christensen, T.K., Clausen, P., Einarsson, Árni, Elmberg, J., Fox, A.D., Holmqvist, N., Langendoen, T., Lehikoinen, A., Lindström, Åke, Lorentsen, S.-H., Nilsson, L., Pöysä, H., Rintala, J. and Sigfússon, A. Þ. 2013. The status of the Nordic populations of the Mallard (Anas platyrhynchos) in a changing world. Ornis Fennica. 90, 1 (Mar. 2013), 2–15. DOI:https://doi.org/10.51812/of.133817.